# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http://mozilla.org/MPL/2.0/.

import ConfigParser
import os
import re
import sys
import tempfile
import time
import urllib
import traceback

sys.path.insert(0, os.path.abspath(os.path.realpath(os.path.dirname(sys.argv[0]))))

from automation import Automation
from b2gautomation import B2GRemoteAutomation
from runtests import Mochitest
from runtests import MochitestOptions
from runtests import MochitestServer

import devicemanager
import devicemanagerADB
import manifestparser

from marionette import Marionette


class B2GOptions(MochitestOptions):

    def __init__(self, automation, scriptdir, **kwargs):
        defaults = {}
        MochitestOptions.__init__(self, automation, scriptdir)

        self.add_option("--b2gpath", action="store",
                    type = "string", dest = "b2gPath",
                    help = "path to B2G repo or qemu dir")
        defaults["b2gPath"] = None

        self.add_option("--marionette", action="store",
                    type = "string", dest = "marionette",
                    help = "host:port to use when connecting to Marionette")
        defaults["marionette"] = None

        self.add_option("--emulator", action="store",
                    type="string", dest = "emulator",
                    help = "Architecture of emulator to use: x86 or arm")
        defaults["emulator"] = None

        self.add_option("--sdcard", action="store", 
                    type="string", dest = "sdcard", 
                    help = "Define size of sdcard: 1MB, 50MB...etc")
        defaults["sdcard"] = None

        self.add_option("--no-window", action="store_true",
                    dest = "noWindow",
                    help = "Pass --no-window to the emulator")
        defaults["noWindow"] = False

        self.add_option("--adbpath", action="store",
                    type = "string", dest = "adbPath",
                    help = "path to adb")
        defaults["adbPath"] = "adb"

        self.add_option("--deviceIP", action="store",
                    type = "string", dest = "deviceIP",
                    help = "ip address of remote device to test")
        defaults["deviceIP"] = None

        self.add_option("--devicePort", action="store",
                    type = "string", dest = "devicePort",
                    help = "port of remote device to test")
        defaults["devicePort"] = 20701

        self.add_option("--remote-logfile", action="store",
                    type = "string", dest = "remoteLogFile",
                    help = "Name of log file on the device relative to the device root.  PLEASE ONLY USE A FILENAME.")
        defaults["remoteLogFile"] = None

        self.add_option("--remote-webserver", action = "store",
                    type = "string", dest = "remoteWebServer",
                    help = "ip address where the remote web server is hosted at")
        defaults["remoteWebServer"] = None

        self.add_option("--http-port", action = "store",
                    type = "string", dest = "httpPort",
                    help = "ip address where the remote web server is hosted at")
        defaults["httpPort"] = automation.DEFAULT_HTTP_PORT

        self.add_option("--ssl-port", action = "store",
                    type = "string", dest = "sslPort",
                    help = "ip address where the remote web server is hosted at")
        defaults["sslPort"] = automation.DEFAULT_SSL_PORT

        self.add_option("--pidfile", action = "store",
                    type = "string", dest = "pidFile",
                    help = "name of the pidfile to generate")
        defaults["pidFile"] = ""

        self.add_option("--gecko-path", action="store",
                        type="string", dest="geckoPath",
                        help="the path to a gecko distribution that should "
                        "be installed on the emulator prior to test")
        defaults["geckoPath"] = None

        defaults["remoteTestRoot"] = None
        defaults["logFile"] = "mochitest.log"
        defaults["autorun"] = True
        defaults["closeWhenDone"] = True
        defaults["testPath"] = ""
        defaults["extensionsToExclude"] = ["specialpowers"]

        self.set_defaults(**defaults)

    def verifyRemoteOptions(self, options, automation):
        options.remoteTestRoot = automation._devicemanager.getDeviceRoot()
        productRoot = options.remoteTestRoot + "/" + automation._product

        if options.utilityPath == self._automation.DIST_BIN:
            options.utilityPath = productRoot + "/bin"

        if options.remoteWebServer == None:
            if os.name != "nt":
                options.remoteWebServer = automation.getLanIp()
            else:
                self.error("You must specify a --remote-webserver=<ip address>")

        if options.geckoPath and not options.emulator:
            self.error("You must specify --emulator if you specify --gecko-path")

        options.webServer = options.remoteWebServer

        #if not options.emulator and not options.deviceIP:
        #    print "ERROR: you must provide a device IP"
        #    return None

        if options.remoteLogFile == None:
            options.remoteLogFile = options.remoteTestRoot + '/logs/mochitest.log'

        if options.remoteLogFile.count('/') < 1:
            options.remoteLogFile = options.remoteTestRoot + '/' + options.remoteLogFile

        # Only reset the xrePath if it wasn't provided
        if options.xrePath == None:
            options.xrePath = options.utilityPath

        if options.pidFile != "":
            f = open(options.pidFile, 'w')
            f.write("%s" % os.getpid())
            f.close()

        return options

    def verifyOptions(self, options, mochitest):
        # since we are reusing verifyOptions, it will exit if App is not found
        temp = options.app
        options.app = sys.argv[0]
        tempPort = options.httpPort
        tempSSL = options.sslPort
        tempIP = options.webServer
        options = MochitestOptions.verifyOptions(self, options, mochitest)
        options.webServer = tempIP
        options.app = temp
        options.sslPort = tempSSL
        options.httpPort = tempPort

        return options


class ProfileConfigParser(ConfigParser.RawConfigParser):
    """Subclass of RawConfigParser that outputs .ini files in the exact
       format expected for profiles.ini, which is slightly different
       than the default format.
    """

    def optionxform(self, optionstr):
        return optionstr

    def write(self, fp):
        if self._defaults:
            fp.write("[%s]\n" % ConfigParser.DEFAULTSECT)
            for (key, value) in self._defaults.items():
                fp.write("%s=%s\n" % (key, str(value).replace('\n', '\n\t')))
            fp.write("\n")
        for section in self._sections:
            fp.write("[%s]\n" % section)
            for (key, value) in self._sections[section].items():
                if key == "__name__":
                    continue
                if (value is not None) or (self._optcre == self.OPTCRE):
                    key = "=".join((key, str(value).replace('\n', '\n\t')))
                fp.write("%s\n" % (key))
            fp.write("\n")


class B2GMochitest(Mochitest):

    _automation = None
    _dm = None
    localProfile = None
    testDir = '/data/local/tests'

    def __init__(self, automation, devmgr, options):
        self._automation = automation
        Mochitest.__init__(self, self._automation)
        self._dm = devmgr
        self.runSSLTunnel = False
        self.remoteProfile = options.remoteTestRoot + '/profile'
        self._automation.setRemoteProfile(self.remoteProfile)
        self.remoteLog = options.remoteLogFile
        self.localLog = None
        self.userJS = '/data/local/user.js'
        self.remoteMozillaPath = '/data/b2g/mozilla'
        self.remoteProfilesIniPath = os.path.join(self.remoteMozillaPath, 'profiles.ini')
        self.originalProfilesIni = None

    def copyRemoteFile(self, src, dest):
        if self._dm.useDDCopy:
            self._dm._checkCmdAs(['shell', 'dd', 'if=%s' % src,'of=%s' % dest])
        else:
            self._dm._checkCmdAs(['shell', 'cp', src, dest])

    def origUserJSExists(self):
        return self._dm.fileExists('/data/local/user.js.orig')

    def cleanup(self, manifest, options):
        if self.localLog:
            self._dm.getFile(self.remoteLog, self.localLog)
            self._dm.removeFile(self.remoteLog)

        if not options.emulator:
            # Remove the test profile
            self._dm._checkCmdAs(['shell', 'rm', '-r', self.remoteProfile])

            if self.origUserJSExists():
                # Restore the original user.js
                self._dm.removeFile(self.userJS)
                self.copyRemoteFile('%s.orig' % self.userJS, self.userJS)
                self._dm.removeFile("%s.orig" % self.userJS)

            if self._dm.fileExists('%s.orig' % self.remoteProfilesIniPath):
                # Restore the original profiles.ini
                self._dm.removeFile(self.remoteProfilesIniPath)
                self.copyRemoteFile('%s.orig' % self.remoteProfilesIniPath,
                                    self.remoteProfilesIniPath)
                self._dm.removeFile("%s.orig" % self.remoteProfilesIniPath)

            # We've restored the original profile, so reboot the device so that
            # it gets picked up.
            self._automation.rebootDevice()

        if options.pidFile != "":
            try:
                os.remove(options.pidFile)
                os.remove(options.pidFile + ".xpcshell.pid")
            except:
                print "Warning: cleaning up pidfile '%s' was unsuccessful from the test harness" % options.pidFile

    def findPath(self, paths, filename = None):
        for path in paths:
            p = path
            if filename:
                p = os.path.join(p, filename)
            if os.path.exists(self.getFullPath(p)):
                return path
        return None

    def startWebServer(self, options):
        """ Create the webserver on the host and start it up """
        remoteXrePath = options.xrePath
        remoteProfilePath = options.profilePath
        remoteUtilityPath = options.utilityPath
        localAutomation = Automation()
        localAutomation.IS_WIN32 = False
        localAutomation.IS_LINUX = False
        localAutomation.IS_MAC = False
        localAutomation.UNIXISH = False
        hostos = sys.platform
        if hostos in ['mac', 'darwin']:
            localAutomation.IS_MAC = True
        elif hostos in ['linux', 'linux2']:
            localAutomation.IS_LINUX = True
            localAutomation.UNIXISH = True
        elif hostos in ['win32', 'win64']:
            localAutomation.BIN_SUFFIX = ".exe"
            localAutomation.IS_WIN32 = True

        paths = [options.xrePath,
                 localAutomation.DIST_BIN,
                 self._automation._product,
                 os.path.join('..', self._automation._product)]
        options.xrePath = self.findPath(paths)
        if options.xrePath == None:
            print "ERROR: unable to find xulrunner path for %s, please specify with --xre-path" % (os.name)
            sys.exit(1)
        paths.append("bin")
        paths.append(os.path.join("..", "bin"))

        xpcshell = "xpcshell"
        if (os.name == "nt"):
            xpcshell += ".exe"

        if (options.utilityPath):
            paths.insert(0, options.utilityPath)
        options.utilityPath = self.findPath(paths, xpcshell)
        if options.utilityPath == None:
            print "ERROR: unable to find utility path for %s, please specify with --utility-path" % (os.name)
            sys.exit(1)

        options.profilePath = tempfile.mkdtemp()
        self.server = MochitestServer(localAutomation, options)
        self.server.start()

        if (options.pidFile != ""):
            f = open(options.pidFile + ".xpcshell.pid", 'w')
            f.write("%s" % self.server._process.pid)
            f.close()
        self.server.ensureReady(self.SERVER_STARTUP_TIMEOUT)

        options.xrePath = remoteXrePath
        options.utilityPath = remoteUtilityPath
        options.profilePath = remoteProfilePath

    def stopWebServer(self, options):
        if hasattr(self, 'server'):
            self.server.stop()

    def buildProfile(self, options):
        if self.localProfile:
            options.profilePath = self.localProfile
        manifest = Mochitest.buildProfile(self, options)
        self.localProfile = options.profilePath

        # Profile isn't actually copied to device until
        # buildURLOptions is called.

        options.profilePath = self.remoteProfile
        return manifest

    def updateProfilesIni(self, profilePath):
        # update profiles.ini on the device to point to the test profile
        self.originalProfilesIni = tempfile.mktemp()
        self._dm.getFile(self.remoteProfilesIniPath, self.originalProfilesIni)

        config = ProfileConfigParser()
        config.read(self.originalProfilesIni)
        for section in config.sections():
            if 'Profile' in section:
                config.set(section, 'IsRelative', 0)
                config.set(section, 'Path', profilePath)

        newProfilesIni = tempfile.mktemp()
        with open(newProfilesIni, 'wb') as configfile:
            config.write(configfile)

        self._dm.pushFile(newProfilesIni, self.remoteProfilesIniPath)
        self._dm.pushFile(self.originalProfilesIni, '%s.orig' % self.remoteProfilesIniPath)

        try:
            os.remove(newProfilesIni)
            os.remove(self.originalProfilesIni)
        except:
            pass

    def buildURLOptions(self, options, env):
        self.localLog = options.logFile
        options.logFile = self.remoteLog
        options.profilePath = self.localProfile
        retVal = Mochitest.buildURLOptions(self, options, env)

        # set the testURL
        testURL = self.buildTestPath(options)
        if len(self.urlOpts) > 0:
            testURL += "?" + "&".join(self.urlOpts)
        self._automation.testURL = testURL

        # Set extra prefs for B2G.
        f = open(os.path.join(options.profilePath, "user.js"), "a")
        f.write("""
user_pref("browser.homescreenURL","app://system.gaiamobile.org");\n
user_pref("dom.mozBrowserFramesEnabled", true);\n
user_pref("dom.ipc.tabs.disabled", false);\n
user_pref("dom.ipc.browser_frames.oop_by_default", true);\n
user_pref("browser.manifestURL","app://system.gaiamobile.org/manifest.webapp");\n
user_pref("dom.mozBrowserFramesWhitelist","app://system.gaiamobile.org,http://mochi.test:8888");\n
user_pref("network.dns.localDomains","app://system.gaiamobile.org");\n
""")
        f.close()

        # Copy the profile to the device.
        self._dm._checkCmdAs(['shell', 'rm', '-r', self.remoteProfile])
        try:
            self._dm.pushDir(options.profilePath, self.remoteProfile)
        except devicemanager.DMError:
            print "Automation Error: Unable to copy profile to device."
            raise

        # In B2G, user.js is always read from /data/local, not the profile
        # directory.  Backup the original user.js first so we can restore it.
        if not self._dm.fileExists('%s.orig' % self.userJS):
            self.copyRemoteFile(self.userJS, '%s.orig' % self.userJS)
        self._dm.pushFile(os.path.join(options.profilePath, "user.js"), self.userJS)
        self.updateProfilesIni(self.remoteProfile)
        options.profilePath = self.remoteProfile
        options.logFile = self.localLog
        return retVal


def main():
    scriptdir = os.path.abspath(os.path.realpath(os.path.dirname(__file__)))
    auto = B2GRemoteAutomation(None, "fennec")
    parser = B2GOptions(auto, scriptdir)
    options, args = parser.parse_args()

    # create our Marionette instance
    kwargs = {}
    if options.emulator:
        kwargs['emulator'] = options.emulator
        auto.setEmulator(True)
        if options.noWindow:
            kwargs['noWindow'] = True
        if options.geckoPath:
            kwargs['gecko_path'] = options.geckoPath
    # needless to say sdcard is only valid if using an emulator
    if options.sdcard:
        kwargs['sdcard'] = options.sdcard
    if options.b2gPath:
        kwargs['homedir'] = options.b2gPath
    if options.marionette:
        host,port = options.marionette.split(':')
        kwargs['host'] = host
        kwargs['port'] = int(port)
    marionette = Marionette(**kwargs)

    auto.marionette = marionette

    # create the DeviceManager
    kwargs = {'adbPath': options.adbPath,
              'deviceRoot': B2GMochitest.testDir}
    if options.deviceIP:
        kwargs.update({'host': options.deviceIP,
                       'port': options.devicePort})
    dm = devicemanagerADB.DeviceManagerADB(**kwargs)
    auto.setDeviceManager(dm)
    options = parser.verifyRemoteOptions(options, auto)
    if (options == None):
        print "ERROR: Invalid options specified, use --help for a list of valid options"
        sys.exit(1)

    auto.setProduct("b2g")

    mochitest = B2GMochitest(auto, dm, options)

    options = parser.verifyOptions(options, mochitest)
    if (options == None):
        sys.exit(1)

    logParent = os.path.dirname(options.remoteLogFile)
    dm.mkDir(logParent)
    auto.setRemoteLog(options.remoteLogFile)
    auto.setServerInfo(options.webServer, options.httpPort, options.sslPort)
    retVal = 1
    try:
        mochitest.cleanup(None, options)
        retVal = mochitest.runTests(options)
    except:
        print "TEST-UNEXPECTED-FAIL | %s | Exception caught while running tests." % sys.exc_info()[1]
        traceback.print_exc()
        mochitest.stopWebServer(options)
        mochitest.stopWebSocketServer(options)
        try:
            mochitest.cleanup(None, options)
        except:
            pass
            sys.exit(1)

    sys.exit(retVal)

if __name__ == "__main__":
    main()